TR36873 v100 3D channel model for LTEWord文件下载.docx

TR36873 v100 3D channel model for LTEWord文件下载.docx

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Contents

Foreword

ThisTechnicalReporthasbeenproducedbythe3rdGenerationPartnershipProject（3GPP）.

ThecontentsofthepresentdocumentaresubjecttocontinuingworkwithintheTSGandmaychangefollowingformalTSGapproval.ShouldtheTSGmodifythecontentsofthepresentdocument,itwillbere-releasedbytheTSGwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:

Versionx.y.z

where:

xthefirstdigit:

1presentedtoTSGforinformation;

2presentedtoTSGforapproval;

3orgreaterindicatesTSGapproveddocumentunderchangecontrol.

ytheseconddigitisincrementedforallchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.

zthethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthedocument.

1Scope

Thepresentdocumentcapturesthefindingsofthestudyitem“Studyon3D-channelmodelforElevationBeamformingandFD-MIMOstudiesforLTE”[2].ThepurposeofthisTRistohelpTSGRANWG1toproperlymodelandevaluatetheperformanceofphysicallayertechniquesusing3Dchannelmodels.

Thisdocumentrelatestothe3GPPevaluationmethodologyandcoversthemodellingofthephysicallayerofbothMobileEquipmentandAccessNetworkof3GPPsystems.

Thisdocumentisintendedtocapturethescenariosrelevantto3Dchannelmodelsandthemodificationstothe3GPPevaluationmethodologyneededtosupport3Dchannelmodelling.

Thisdocumentisa‘living’document,i.e.itispermanentlyupdatedandpresentedtoTSG-RANmeetings.

2References

Thefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.

-Referencesareeitherspecific（identifiedbydateofpublication,editionnumber,versionnumber,etc.）ornonspecific.

-Foraspecificreference,subsequentrevisionsdonotapply.

-Foranon-specificreference,thelatestversionapplies.Inthecaseofareferencetoa3GPPdocument（includingaGSMdocument）,anon-specificreferenceimplicitlyreferstothelatestversionofthatdocumentinthesameReleaseasthepresentdocument.

[1]3GPP 

TR 

21.905:

"

Vocabularyfor3GPPSpecifications"

.

[2]3GPP 

TDRP-122034:

Studyon3D-channelmodelforElevationBeamformingandFD-MIMOstudiesforLTE"

[3]3GPP 

36.814 

（V9.0.0）:

FurtherAdvancementsforE-UTRA,PhysicalLayerAspects"

3Definitions,symbolsandabbreviations

Deletefromtheaboveheadingthosewordswhicharenotapplicable.

3.1Definitions

Forthepurposesofthepresentdocument,thetermsanddefinitionsgiveninTR 

21.905 

[x]andthefollowingapply.Atermdefinedinthepresentdocumenttakesprecedenceoverthedefinitionofthesameterm,ifany,inTR 

[x].

3.2Symbols

Forthepurposesofthepresentdocument,thefollowingsymbolsapply:

3.3Abbreviations

Forthepurposesofthepresentdocument,theabbreviationsgiveninTR 

[x]andthefollowingapply.Anabbreviationdefinedinthepresentdocumenttakesprecedenceoverthedefinitionofthesameabbreviation,ifany,inTR 

FD-MIMOFullDimensionMIMO

4Introduction

At3GPPTSGRAN#58meetingtheStudyItemDescriptionon“Studyon3D-channelmodelforElevationBeamformingandFD-MIMOstudiesforLTE”wasapproved[2].Thisstudyitemcoverstheidentificationofscenariosapplicableto3Dbeamforming,FD-MIMOandtheevaluationmethodologyneededformodellingandevaluationofsuchtechniques.Thistechnicalreportdocumentsthemodifiedevaluationmethodologyincluding3Dchannelmodelsneededforstudyingtheabovetechniques.

5General

[NOTE:

ThissectionwillincludegeneralinformationthatishelpfulforunderstandingtheTRandforcompletenessoftheTR]

6ScenariosforUEspecificelevationbeamformingandFD-MIMO

IntendedtoidentifythetypicalusagescenariosofUE-specificelevationbeamformingandFD-MIMO]

Scenario3D-UMi:

UrbanMicrocellwithhigh（outdoor/indoor）UEdensity

∙Basestationisbelowsurroundingbuildings

Scenario3D-UMa:

UrbanMacrocellwithhigh（outdoor/indoor）UEdensity

∙Basestationisabovesurroundingbuildings

Table1:

Descriptionofscenarios

UrbanMicrocellwithhighUEdensity（3D-UMi）

UrbanMacrocellwithhighUEdensity（3D-UMa）

SECTION-1

Layout

Hexagonalgrid,19microsites,3sectorspersite

Hexagonalgrid,19macrosites,3sectorspersite

UEmobility（movementinhorizontalplane）

3kmph

BSantennaheight

10m

25m

TotalBSTxPower

41/44dBmfor10/20MHz

46/49dBmfor10/20MHz

Carrierfrequency

2GHz

Min.UE-eNB2Ddistance1）

10m[othervaluesFFS]

35m

UEheight（hUT）inmeters

generalequation

hUT=3（nfl–1）+1.5

nflforoutdoorUEs

1

nflforindoorUEs

nfl~uniform（1,Nfl）where

Nfl~uniform（4,8）

IndoorUEfraction

80%

SECTION-22）

UEdistribution（inx-yplane）

OutdoorUEs

uniformincell

IndoorUEs

uniformincell

ISD

200m

500m（FFS:

200m）

1）Referstod2DforoutdoorUEsandd2D-outforindoorUEsasdefinedinFigure3andFigure4respectively.

2）AssumptionsinSECTION-2areforcalibrationpurposesonlyinthisSI.AssumptionsinSECTION-2aretoberevisitedforevaluatingrelativeperformanceofproposedsolutionsinfutureSIs

OthertypicalusagescenariosofUE-specificelevationbeamformingandFD-MIMOarenotedbelow:

HeterogeneousNetworks

∙ChannelmodelsdevelopedforUrbanMicrocellwithhighUEdensityandUrbanMacrocellwithhighUEdensityscenariosshallsupportheterogeneousdeploymentscenarios.

–ItisassumedthatforheterogeneousdeploymentscenariosthemacroBSheightisat25mandthelower-powernodeisat10mheight.

–Thecarrierfrequency（s）foramacrocanbe2or3.5GHzorbothifmultiplecarriersareused.Thecarrierfrequency（s）foralowpowernodecanbe2or3.5GHzorbothifmultiplecarriersareused.

–Thetransmissionpowerofalowpowernodecanbe30/33dBmfor10/20MHz.

Urbanmicro/macrohomogeneousnetworkswithhighUEdensity（similarto3D-UMi/3D-UMa）usinghigherthan2GHzcarrierfrequency

∙Thecarrierfrequencycanbe3.5GHz.

73GPPevaluationmethodologyneededforElevationBeamformingandFD-MIMOevaluation

ThestudywillconsiderasastartingpointtheITUchannelmodelasdescribedbythecombinationofA2.1.6andAnnexBin36.814[3]anddeterminetheadditionsthatareneededtoproperlymodeltheelevationdimensionofthechanneltofittheelevationbeamformingandFD-MIMOpurposes]

Theapplicablerangeofthe3Dchannelmodelisatleastfor2-3.5GHz.

7.1Antennamodelling

•2Dplanarantennaarraystructureisthebaseline,i.e.,antennaelementsareplacedintheverticalandhorizontaldirectionasbelow,whereNisthenumberofcolumns,Misthenumberofantennaelementswiththesamepolarizationineachcolumn.

•AntennaelementsareuniformlyspacedinthehorizontaldirectionwithaspacingofdHλandintheverticaldirectionwithaspacingofdVλ.

Figure1:

2Dplanarantennastructurewhereeachcolumnisacross-polarizedarray

Figure2:

2Dplanarantennastructurewhereeachcolumnisauniformlineararray

Table2:

Antennamodellingparameters

Parameter

Applicability

Values

Numberofhorizontalantennaelements

cross-pol

2,4,8

co-pol

1,2,4,8

Polarizationslantangle

+/-450

+900

HorizontalantennaelementspacingdH

0.5λbaseline（othervaluesFFS）

Antennaelementverticalradiationpattern（dB）

Antennaelementhorizontalradiationpattern（dB）

3D-UMa,3D-UMi,LPNdeployments

3D-UMi,LPNdeployments

FFS:

Combiningmethodfor3Delementantennapattern（dB）

MaximumdirectionalgainofanantennaelementGE,max

8dBi

SECTION-21）

VerticalantennaelementspacingdV

0.5λ,0.8λ

NumberofantennaelementswiththesamepolarizationineachcolumnM

10baseline,othervaluesFFS

Complexweightforantennaelementminelevation

wherem=1,…,K.

istheelectricalvertica